Tag: wheel group

FreeBSD > Becoming super user (su) or enabling su access to user

The superuser is a privileged user with unrestricted access to all files and commands. The superuser has the special UID (user ID) 0. You need to become super user (root) only when tasks need root permissions. Here is how to become super user: 1) At shell prompt type su and […]

FreeBSD >Sending a Message to All Users on a System

You can use the wall command to send a message to every user on a system. General syntax of wall command is as follows: wall Message Message … …. .. When the message is complete, press Control-D. 1) To display message “Disk failure system will be down for 30 minute” […]